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Is there a better way to search for ancient data sheets than googling and hitting endless SEO-optimized sites which have no idea what this is but sure they are selling it. There is that paper doc scanning project, forgot the name, but you know, but I have some chips I’ve desoldered from a...

From 20MHz system, not sure if it matters. Chips were working fine before I killed the planar with my subpar soldering skills in an unrelated part of the board, so the chances are they still good, but no guarantee. Open to offers, can ship at the buyers expense.

I have this 8513 Color Monitor (not the one with width problems I dscussed on the forum) with working internals but visibly burned-in tube (check light background photo). Craigslist posting Open to all offers, just don't want to dump 85% working device. I can ship but you know it costs around...

Looking to buy any kind of 486 processor upgrade for Model 70. Something like Blue Lightning, but not for the money they ask at eBay. Box is not important.

Hi, I have a 8513-001 monitor (S/N 72-0182100). It works good, no burn-in, good converjence and focus, except the raster is too narow (to my taste, Maintenance manual says "at least 20cm", and it is exaclty 20cm max). The adjustment coil can be turned to make it even narrower, but not wider. It...

Did anyone stumble upon a source of new 30 pin SIMM connectors? I have a couple of AWE32s with broken retainer flaps so memory modules had to be brutally propped by some toothpicks which hurts my aesthetic feelings. Both DigiKey and Mouser only have 40 or 72 pin ones, I am surprised that is...

It’s not really a question, mostly curiosity: I got my hands on an Alps DFP723D12F from a PS/2 Model 50. Unlike my other PS/2 fdd it does have a door like more usual fdd drives later would have. What makes me wonder though it seems it does not supposed to move. It has a spring, but it also has...

I am trying to use a Spock Prime/Anosprime SCSI adapter in Model 50z It’s Reference disk finds it ok, and it even seems to work, I see ZuluSCSI’s devices properly, I’d 6 is an attempt to use reference disk image (it does not boot form it), and ID1 is an empty 20MB one. During auto setup it...

I have made a “for parts” PS/2 working (reference diskette and Karateka run fine, thanks, community!) but PSU is really hot, I barely can touch it when case top cover is off. Is it ok? I was too young to remember how it was back then, perhaps it’s ok or a sign of something bad happening with the...